This local plugin allows you to manage the section structure of a moodle course via REST API.
Functions are build analog to the core_course function.

"Webservice manage sections" gives you the following functions:

• local_wsmanagesections_create_sections: create sections at a defined position,
• local_wsmanagesections_delete_sections: delete sections with given sectionnumber or -id,
• local_wsmanagesections_move_section: move a section to a definded position,
• local_wsmanagesections_get_sections: get the settings of given sections (name,visibility, format options, ...),
• local_wsmanagesections_update_sections: update  the settings of given sections (name,visibility, format options, ...).

The webservice documentation for the above functions can be found at http://yoursite.com/admin/webservice/documentation.php.

After installing the plugin you have to add the functions to your rest-service.

There is some python sample code at https://github.com/corvus-albus/corvus-albus-moodle-local_wsmanagesections-script-examples.

This plugin can be installed by following the official Moodle documentation - Installing plugins.
This plugin can be used in accordance with the official Moodle documentation - Using web services.